Computed Axial Lithography

What Does Computed Axial Lithography Mean?

Computed axial lithography (CAL) is a process whereby scientists cast various projections onto a type of resin to create a three-dimensional object that is fully formed. It is inspired by the process of computed axial tomography (CAT) that uses multi-angle radiology to provide a three-dimensional model of anatomy for diagnosis.


Techopedia Explains Computed Axial Lithography

Essentially, computed axial lithography directs a three-dimensional video into a photosensitive material in order to create the three-dimensional model. When the fluid is drained off, the remaining material constitutes the drafted piece. Scientists have been able to shoot four beams per three-dimensional space degree into a resin for more efficiency over earlier laser-based methods.

Simply speaking, the computer aided design (CAD) module creates the means for projecting photons into the three-dimensional space that will solidify or “gel” the pieces of positive material in the model. The negative material then represented by the liquid is drained away. This is a revolutionary way to make all sorts of custom parts and pieces for various physical and mechanical systems.


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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.